Celkon Millennia Everest vs Lava Iris Atom

Compare recorded specifications, size and practical differences.

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Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

  • Width

    Iris Atom: 14.8 mm narrower

    Millennia Everest:
    78 mm
    Iris Atom:
    63.2 mm
  • Screen diagonal

    Iris Atom: 1.5 in smaller diagonal

    Millennia Everest:
    5.5 in
    Iris Atom:
    4 in
  • Depth

    Millennia Everest: 0.6 mm thinner

    Millennia Everest:
    9.1 mm
    Iris Atom:
    9.7 mm
  • Height

    Iris Atom: 31.5 mm shorter

    Millennia Everest:
    157 mm
    Iris Atom:
    125.5 mm

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

  1. 1. Millennia Everest

    Height:
    157 mm +31.5 mm versus Iris Atom
    Width:
    78 mm +14.8 mm versus Iris Atom
    Depth:
    9.1 mm
    Weight:
    Unknown
  2. 2. Iris Atom

    Height:
    125.5 mm
    Width:
    63.2 mm
    Depth:
    9.7 mm +0.6 mm versus Millennia Everest
    Weight:
    110 g

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

  1. 1. Millennia Everest

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. Iris Atom

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²

Millennia Everest has approximately 83.1% more rectangular screen area than Iris Atom.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

Recorded RAM for Millennia Everest, Iris Atom, compared at the same storage capacity.
StorageMillennia EverestIris Atom
8 GB 1 GB RAM Unknown
Iris Atom: Original memory entry

8 GB · 512 MB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Millennia Everest

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

2. Iris Atom

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

  1. 1. Millennia Everest

    2500 mAh

    +950 mAh versus Iris Atom

  2. 2. Iris Atom

    1550 mAh

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. Millennia Everest2. Iris Atom

Everyday essentials
Everyday essentials — specifications for Millennia Everest, Iris Atom.
SpecificationMillennia EverestIris Atom
Dimensions (HxWxD)
  • 157 Х 78 Х 9.1 mm
  • 125.5 Х 63.2 Х 9.7 mm
Weight
  • 0 g
  • 110 g
Screen size
  • 5.5" inch
  • 4" inch
Screen resolution
  • 480 x 854 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 8 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2500 mAh
  • Li-Ion
  • 1550 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop)
  • Android 5.1 (Lollipop)
Chipset
  • Spreadtrum SC7731
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Millennia Everest, Iris Atom.
SpecificationMillennia EverestIris Atom
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Screen area
  • 83.4 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 68.1%
  • 57.4%
PPI /points per inch/
  • 178 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for Millennia Everest, Iris Atom.
SpecificationMillennia EverestIris Atom
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • 5 MP
Functions
  • LED flash
  • LED flash
  • HDR
  • panorama
Video
  • Yes
  • Yes
Front camera, selfie
  • 3.2 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 3.2 MP
  • VGA
Performance
Performance — specifications for Millennia Everest, Iris Atom.
SpecificationMillennia EverestIris Atom
Processor CPU
  • Quad-core 1.2 GHz
  • Quad-core 1.3 GHz
General specs
General specs — specifications for Millennia Everest, Iris Atom.
SpecificationMillennia EverestIris Atom
Release date
  • 2015
  • August
  • 2015
  • December
Colors
  • Black
  • White
  • Blue
  • Black
  • White
Battery life Unknown
  • Stand by time- Up to 150 h (3G) Talking time- Up to 12 h 30 min (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Millennia Everest, Iris Atom.
SpecificationMillennia EverestIris Atom
SIM card
  • Dual SIM
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
GPS
  • A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.0
  • 2.1
  • EDR
Harmful irradiation
  • SAR EU - 0.33 W/kg (head) 0.25 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Millennia Everest, Iris Atom.
SpecificationMillennia EverestIris Atom
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Millennia Everest, Iris Atom.
SpecificationMillennia EverestIris Atom
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer For India